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United States Patent | 5,577,641 |
De Laforcade ,   et al. | November 26, 1996 |
Dispensing assembly including a container and a dispensing member for dispensing a product contained in the container. The container is cylindrical and receives therein a piston having a body made of rigid material. The body has a cylindrical part carrying a seal made of elastic material. The seal is overmolded on the body of the piston and has a semi-toric portion. The elastic material and the rigid material are chemically compatible so that the seal and piston bond together.
Inventors: | De Laforcade; Vincent (Rambouillet, FR); Lacout; Frank (Athis-Mons, FR) |
Assignee: | L'Oreal (Paris, FR) |
Appl. No.: | 374718 |
Filed: | January 26, 1995 |
PCT Filed: | June 1, 1994 |
PCT NO: | PCT/FR94/00639 |
371 Date: | January 26, 1995 |
102(e) Date: | January 26, 1995 |
PCT PUB.NO.: | WO94/29190 |
PCT PUB. Date: | December 22, 1994 |
Jun 04, 1993[FR] | 93 06704 |
Current U.S. Class: | 222/386; 222/389 |
Intern'l Class: | B67D 005/42 |
Field of Search: | 222/257,259,260,386,389,387,394,321.7,383.1,327 277/208,212 C,212 F 92/240,249 |
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